Upstream version 7.36.149.0
[platform/framework/web/crosswalk.git] / src / third_party / WebKit / Source / modules / crypto / KeyAlgorithm.cpp
1 /*
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29  */
30
31 #include "config.h"
32 #include "modules/crypto/KeyAlgorithm.h"
33
34 #include "modules/crypto/AesKeyAlgorithm.h"
35 #include "modules/crypto/HmacKeyAlgorithm.h"
36 #include "modules/crypto/NormalizeAlgorithm.h"
37 #include "modules/crypto/RsaHashedKeyAlgorithm.h"
38 #include "modules/crypto/RsaKeyAlgorithm.h"
39 #include "wtf/text/WTFString.h"
40
41 namespace WebCore {
42
43 KeyAlgorithm::~KeyAlgorithm()
44 {
45 }
46
47 KeyAlgorithm* KeyAlgorithm::create(const blink::WebCryptoKeyAlgorithm& algorithm)
48 {
49     switch (algorithm.paramsType()) {
50     case blink::WebCryptoKeyAlgorithmParamsTypeNone:
51         return new KeyAlgorithm(algorithm);
52     case blink::WebCryptoKeyAlgorithmParamsTypeAes:
53         return AesKeyAlgorithm::create(algorithm);
54     case blink::WebCryptoKeyAlgorithmParamsTypeHmac:
55         return HmacKeyAlgorithm::create(algorithm);
56     case blink::WebCryptoKeyAlgorithmParamsTypeRsa:
57         return RsaKeyAlgorithm::create(algorithm);
58     case blink::WebCryptoKeyAlgorithmParamsTypeRsaHashed:
59         return RsaHashedKeyAlgorithm::create(algorithm);
60     }
61     ASSERT_NOT_REACHED();
62     return 0;
63 }
64
65 KeyAlgorithm* KeyAlgorithm::createHash(const blink::WebCryptoAlgorithm& hash)
66 {
67     // Assume that none of the hash algorithms have any parameters.
68     ASSERT(hash.paramsType() == blink::WebCryptoAlgorithmParamsTypeNone);
69     return new KeyAlgorithm(blink::WebCryptoKeyAlgorithm(hash.id(), nullptr));
70 }
71
72 KeyAlgorithm::KeyAlgorithm(const blink::WebCryptoKeyAlgorithm& algorithm)
73     : m_algorithm(algorithm)
74 {
75     ScriptWrappable::init(this);
76 }
77
78 String KeyAlgorithm::name()
79 {
80     return algorithmIdToName(m_algorithm.id());
81 }
82
83 bool KeyAlgorithm::isAesKeyAlgorithm() const
84 {
85     return m_algorithm.paramsType() == blink::WebCryptoKeyAlgorithmParamsTypeAes;
86 }
87
88 bool KeyAlgorithm::isHmacKeyAlgorithm() const
89 {
90     return m_algorithm.paramsType() == blink::WebCryptoKeyAlgorithmParamsTypeHmac;
91 }
92
93 bool KeyAlgorithm::isRsaHashedKeyAlgorithm() const
94 {
95     return m_algorithm.paramsType() == blink::WebCryptoKeyAlgorithmParamsTypeRsaHashed;
96 }
97
98 bool KeyAlgorithm::isRsaKeyAlgorithm() const
99 {
100     return m_algorithm.paramsType() == blink::WebCryptoKeyAlgorithmParamsTypeRsa;
101 }
102
103 void KeyAlgorithm::trace(Visitor*)
104 {
105 }
106
107 } // namespace WebCore